Information-to-work conversion in single-molecule experiments: From discrete to continuous feedback

Schmitt, Regina K. and Potts, Patrick P. and Linke, Heiner and Johansson, Jonas and Samuelsson, Peter and Rico-Pasto, Marc and Ritort, Felix. (2023) Information-to-work conversion in single-molecule experiments: From discrete to continuous feedback. Physical review E, 107 (5). L052104.

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Official URL: https://edoc.unibas.ch/95625/

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We theoretically investigate the extractable work in single molecule unfolding-folding experiments with applied feedback. Using a simple two-state model, we obtain a description of the full work distribution from discrete to continuous feedback. The effect of the feedback is captured by a detailed fluctuation theorem, accounting for the information aquired. We find analytical expressions for the average work extraction as well as an experimentally measurable bound thereof, which becomes tight in the continuous feedback limit. We further determine the parameters for maximal power or rate of work extraction. Although our two-state model only depends on a single effective transition rate, we find qualitative agreement with Monte Carlo simulations of DNA hairpin unfolding-folding dynamics.
Faculties and Departments:05 Faculty of Science > Departement Physik > Physik > Theoretical Quantum Physics (Potts)
UniBasel Contributors:Potts, Patrick P.
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:American Physical Society
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:07 Sep 2023 13:18
Deposited On:07 Sep 2023 13:18

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